I can harvest you can harvest he can harvest we can harvest you can harvest they can harvest
Forme en V-ing
I can be harvesting you can be harvesting he can be harvesting we can be harvesting you can be harvesting they can be harvesting
Perfect
I can have harvested you can have harvested he can have harvested we can have harvested you can have harvested they can have harvested
Perfect en V-ing
I can have been harvesting you can have been harvesting he can have been harvesting we can have been harvesting you can have been harvesting they can have been harvesting
Négation
Forme simple
I can't harvest you can't harvest he can't harvest we can't harvest you can't harvest they can't harvest
Forme en V-ing
I can't be harvesting you can't be harvesting he can't be harvesting we can't be harvesting you can't be harvesting they can't be harvesting
Perfect
I can't have harvested you can't have harvested he can't have harvested we can't have harvested you can't have harvested they can't have harvested
Perfect en V-ing
I can't have been harvesting you can't have been harvesting he can't have been harvesting we can't have been harvesting you can't have been harvesting they can't have been harvesting
Forme interrogative
Forme simple
can I harvest? can you harvest? can he harvest? can we harvest? can you harvest? can they harvest?
Forme en V-ing
can I be harvesting? can you be harvesting? can he be harvesting? can we be harvesting? can you be harvesting? can they be harvesting?
Perfect
can I have harvested? can you have harvested? can he have harvested? can we have harvested? can you have harvested? can they have harvested?
Perfect en V-ing
can I have been harvesting? can you have been harvesting? can he have been harvesting? can we have been harvesting? can you have been harvesting? can they have been harvesting?
Forme interro-négative
Forme simple
can't I harvest? can't you harvest? can't he harvest? can't we harvest? can't you harvest? can't they harvest?
Forme en V-ing
can't I be harvesting? can't you be harvesting? can't he be harvesting? can't we be harvesting? can't you be harvesting? can't they be harvesting?
Perfect
can't I have harvested? can't you have harvested? can't he have harvested? can't we have harvested? can't you have harvested? can't they have harvested?
Perfect en V-ing
can't I have been harvesting? can't you have been harvesting? can't he have been harvesting? can't we have been harvesting? can't you have been harvesting? can't they have been harvesting?